Wiper crank arm with hex nut and old orange grease in the shaft…

Detail of an aluminum wiper linkage crank arm showing its output-shaft bore packed with old orange-brown grease and a hex nut with threaded stud at the center. The tan plastic wear pads and the arm's pivot post with ball stud are visible, resting on the grimy stamped-steel gearbox plate; date stamp reads 23-Dec-08.

AI caption December 2008 · Photo 3 of 237